6663237

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 10678272

約数和(自身を除く): 4015035

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 157, 301, 329, 471, 903, 987, 1099, 2021, 3297, 6063, 6751, 7379, 14147, 20253, 22137, 42441, 47257, 51653, 141771, 154959, 317297, 951891, 2221079, 6663237]

約数ペア:

[(1, 6663237), (3, 2221079), (7, 951891), (21, 317297), (43, 154959), (47, 141771), (129, 51653), (141, 47257), (157, 42441), (301, 22137), (329, 20253), (471, 14147), (903, 7379), (987, 6751), (1099, 6063), (2021, 3297)]